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Commit 8bed1285 authored by Florian Fainelli's avatar Florian Fainelli Committed by David S. Miller
Browse files

net: phy: expose phydev->has_fixups to sysfs 



Expose the PHY device has_fixups boolean as a sysfs property to help
troubleshooting PHY configurations.

Signed-off-by: default avatarFlorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b0ae009f

Documentation/ABI/testing/sysfs-bus-mdio

+10 −0
Original line number Diff line number Diff line
@@ -17,3 +17,13 @@ Description: 
		Ethernet driver during bus enumeration, encoded in string.

		This interface mode is used to configure the Ethernet MAC with the

		appropriate mode for its data lines to the PHY hardware.



What:		/sys/bus/mdio_bus/devices/.../phy_has_fixups

Date:		February 2014

KernelVersion:	3.15

Contact:	netdev@vger.kernel.org

Description:

		This attribute contains the boolean value whether a given PHY

		device has had any "fixup" workaround running on it, encoded as

		a boolean. This information is provided to help troubleshooting

		PHY configurations.

drivers/net/phy/mdio_bus.c

+10 −0
Original line number Diff line number Diff line
@@ -441,9 +441,19 @@ phy_interface_show(struct device *dev, struct device_attribute *attr, char *buf) 
}

static DEVICE_ATTR_RO(phy_interface);



static ssize_t

phy_has_fixups_show(struct device *dev, struct device_attribute *attr, char *buf)

{

	struct phy_device *phydev = to_phy_device(dev);



	return sprintf(buf, "%d\n", phydev->has_fixups);

}

static DEVICE_ATTR_RO(phy_has_fixups);



static struct attribute *mdio_dev_attrs[] = {

	&dev_attr_phy_id.attr,

	&dev_attr_phy_interface.attr,

	&dev_attr_phy_has_fixups.attr,

	NULL,

};

ATTRIBUTE_GROUPS(mdio_dev);